html, body {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	background-color: #edf1f2;
	font-family: "微软雅黑";
}
h1,h2,h3,h4,h5,h6 {
	margin: 0;
	padding: 0;
}
button {
	margin: 0;
    padding: 0;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    background: 0 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    outline: 0;
    cursor: pointer;
}
ul li {
	margin-left: 20px;
	line-height: 25px;
}
p {
	font-size: 15px;
}
.item li {
	list-style-type: none;
	margin-left: -15px;
	cursor: pointer;
}
.main {
	width: 100%;
	height: 100%;
	overflow-x: hidden;
}
.wrapper {
	width: 100%;
	height: 100%;
	position: relative;
    z-index: 5;
    -webkit-transition: -webkit-transform .5s;
    transition: transform .5s;
}
.menu-open {
	-webkit-transform: translateX(250px);
    -ms-transform: translateX(250px);
    transform: translateX(250px);
}
.menu {
	position: fixed;
    top: 50px;
    left: 0;
    z-index: 10;
	width: 280px;
	height: 100%;
	background-color: #CCCCCC;
	overflow-y: auto;
	display: block;
	transition: transform .5s;
	color: #003366;
}
.menuBtn {
	position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    width: 24px;
    height: 18px;
    background: -webkit-linear-gradient(90deg,rgba(33,33,33,0),rgba(33,33,33,0) 7px,#212121 7px,#212121 11px,rgba(33,33,33,0) 11px,rgba(33,33,33,0) 18px);
    background: linear-gradient(0deg,rgba(33,33,33,0),rgba(33,33,33,0) 7px,#212121 7px,#212121 11px,rgba(33,33,33,0) 11px,rgba(33,33,33,0) 18px);
    font-size: 0;
    text-indent: -9999px;
    transition: all .5s;
}
.menuBtn::before, .menuBtn::after {
	display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: #212121;
    content: "";
    transition: all .5s;
    box-sizing: border-box;
}
.menuBtn::before {
	top: 0;
	-webkit-transform-origin: bottom left;
    -ms-transform-origin: bottom left;
    transform-origin: bottom left;
}
.menuBtn::after {
	bottom: 0;
    -webkit-transform-origin: top left;
    -ms-transform-origin: top left;
    transform-origin: top left;
}
.menuBtn.active {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
    background: -webkit-linear-gradient(90deg,rgba(33,33,33,0),rgba(33,33,33,0) 7px,#003366 7px,#003366 11px,rgba(33,33,33,0) 11px,rgba(33,33,33,0) 18px);
    background: linear-gradient(0deg,rgba(33,33,33,0),rgba(33,33,33,0) 7px,#003366 7px,#003366 11px,rgba(33,33,33,0) 11px,rgba(33,33,33,0) 18px);
}
.menuBtn.active::before {
	width: 75%;
    -webkit-transform: translateY(7px) rotate(-45deg);
    -ms-transform: translateY(7px) rotate(-45deg);
    transform: translateY(7px) rotate(-45deg);
    background-color: #003366;
}
.menuBtn.active::after {
	width: 75%;
    -webkit-transform: translateY(-7px) rotate(45deg);
    -ms-transform: translateY(-7px) rotate(45deg);
    transform: translateY(-7px) rotate(45deg);
    background-color: #003366;
}
.navHeader {
	position: fixed;
	left: 0;
	top: 0;
	z-index: 999;
	width: 280px;
    height: 50px;
    background-color: #CCCCCC;
}
.navHeader p {
	margin-left: 55px;
	margin-top: 5px;
	color: #003366;
	font-size: 26px;
	font-weight: bold;
}
.navBody h3{
	margin: 10px 0 10px 30px;
	font-weight: bold;
}
.navBody h4{
	margin: 10px 0 10px 30px;
	font-weight: bold;
}
.nav-item p {
	font-size: 20px;
	margin-bottom: 8px;
	font-weight: bold;
}
.wid-item {
	margin-left: 35px;
}
.wid-item:last-child {
	margin-bottom: 60px;
}
.study {
	float: left;
	width: 600px;
	height: 100%;
	background-color: #edf1f2;
	overflow-y: auto;
	padding: 40px 10px 20px 40px;
}
.show {
	float: right;
	width: 700px;
	height: 100%;
	background-color: #fff;
	overflow: auto;
}
.code {
	height: 100%;
	margin: 0 700px 0 600px;
	background-color: #eee;
}
#codeContainer {
	width: 100%;
	height: 100%;
	background-color: #292828;
	color: #fff;
	font: 14px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
	overflow: auto;
}

@media screen and (max-width: 1440px) {
	.menu {
		width: 230px;
		top: 70px;
	}
	.wid-item:last-child {
		margin-bottom: 80px;
	}
	.navHeader {
		width: 230px;
		height: 70px;
	}
	.navHeader p{
		margin-left: 10px;
		margin-top: 35px;
		font-size: 25px;
	}
	.navBody h3 {
		margin: 10px 0 10px 20px;
	}
	.menu-open {
		-webkit-transform: translateX(230px);
		-ms-transform: translateX(230px);
		transform: translateX(230px);
	}
	.study {
		width: 400px;
		padding: 40px 20px;
	}
	.show {
		width: 500px;
	}
	.code {
		margin: 0 500px 0 400px;
	}
}

.changeColor {
	font-size: 20px;
	color: #FF5500;
	text-decoration: underline;
}
.normal {
	font-size: 16px;
	color: #337ab7;
	text-decoration: none;
}